A magnitude ML 1.4 earthquake occured in region: 5 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8340, 13.0690 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Preci | PG | 6 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Cerreto di Spoleto | PG | 12 | 1075 | 8144 |
Sellano | PG | 13 | 1079 | 9223 |
Cascia | PG | 14 | 3217 | 12440 |
Ussita | MC | 14 | 444 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Monte Cavallo | MC | 19 | 145 | 13510 |
Arquata del Tronto | AP | 20 | 1178 | 14688 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-04-13 09:35:21 |
42.8338 | 13.0687 | 10 | 2021-04-13 09:59:01 |
Sala Sismica INGV-Roma | 89056201 |
Field | Value |
---|---|
Time (UTC) | 2021-04-13 09:35:21 ± 0.05 |
Latitude | 42.8338 ± 0.0027 |
Longitude | 13.0687 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89056201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 340 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 86 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44606 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 89056201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-13 09:59:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HNZ. | 2021-04-13T09:35:51.19 | 3.0 | undecidable | manual | P | 3.57 | 0 | |||
IV.TERO.HHZ. | 2021-04-13T09:35:37.05 | 0.3 | undecidable | manual | S | 118 | 49.5171 | 50 | 0.01 | 72 |
IV.MOMA.HHZ. | 2021-04-13T09:35:35.11 | 0.3 | undecidable | manual | S | 265 | 40.7259 | 50 | 0.42 | 67 |
IV.SMA1.EHZ. | 2021-04-13T09:35:32.21 | 0.3 | undecidable | manual | S | 136 | 31.3464 | 50 | 0.03 | 74 |
IV.CSP1.EHZ. | 2021-04-13T09:35:31.91 | 0.3 | undecidable | manual | S | 21 | 30.6471 | 50 | -0.11 | 73 |
IV.LNSS.HHZ. | 2021-04-13T09:35:30.42 | 0.3 | undecidable | manual | S | 185 | 25.752 | 50 | -0.27 | 71 |
IV.TERO.HHZ. | 2021-04-13T09:35:30.12 | 0.1 | undecidable | manual | P | 118 | 49.5171 | 50 | -0.22 | 92 |
IV.FDMO.HHZ. | 2021-04-13T09:35:29.56 | 0.3 | undecidable | manual | S | 4 | 22.5552 | 114 | -0.22 | 72 |
IV.GAVE.EHZ. | 2021-04-13T09:35:29.12 | 0.3 | undecidable | manual | S | 222 | 21.1677 | 116 | -0.23 | 72 |
IV.MOMA.HHZ. | 2021-04-13T09:35:29.15 | 0.3 | undecidable | manual | P | 265 | 40.7259 | 50 | 0.17 | 71 |
IV.MMO1.EHZ. | 2021-04-13T09:35:29.30 | 0.3 | undecidable | manual | S | 71 | 22.2555 | 115 | -0.38 | 70 |
IV.CESI.HHZ. | 2021-04-13T09:35:29.69 | 0.3 | undecidable | manual | S | 325 | 23.1546 | 114 | -0.3 | 71 |
IT.MTCL.HGZ. | 2021-04-13T09:35:28.39 | 0.3 | undecidable | manual | S | 342 | 18.6702 | 119 | -0.18 | 73 |
IV.MC2.EHZ. | 2021-04-13T09:35:27.36 | 0.3 | undecidable | manual | S | 49 | 13.0758 | 128 | 0.41 | 70 |
IV.SMA1.EHZ. | 2021-04-13T09:35:27.61 | 0.1 | undecidable | manual | P | 136 | 31.3464 | 50 | 0.07 | 98 |
IV.CSP1.EHZ. | 2021-04-13T09:35:27.38 | 0.1 | undecidable | manual | P | 21 | 30.6471 | 50 | -0.06 | 98 |
IV.CESI.HHZ. | 2021-04-13T09:35:26.13 | 0.1 | undecidable | manual | P | 325 | 23.1546 | 114 | -0.14 | 98 |
IV.FDMO.HHZ. | 2021-04-13T09:35:26.46 | 0.1 | undecidable | manual | P | 4 | 22.5552 | 114 | 0.31 | 94 |
IV.LNSS.HHZ. | 2021-04-13T09:35:26.78 | 0.1 | undecidable | manual | P | 185 | 25.752 | 50 | 0.11 | 98 |
IT.MTCL.HGZ. | 2021-04-13T09:35:25.56 | 0.3 | undecidable | manual | P | 342 | 18.6702 | 119 | 0.11 | 74 |
IV.GAVE.EHZ. | 2021-04-13T09:35:25.83 | 0.1 | undecidable | manual | P | 222 | 21.1677 | 116 | -0.07 | 99 |
IV.NRCA.HNZ. | 2021-04-13T09:35:25.03 | 0.3 | undecidable | manual | S | 90 | 3.6963 | 160 | 0.06 | 77 |
IV.MMO1.EHZ. | 2021-04-13T09:35:25.98 | 0.1 | undecidable | manual | P | 71 | 22.2555 | 115 | -0.11 | 98 |
IV.MC2.EHZ. | 2021-04-13T09:35:24.77 | 0.1 | undecidable | manual | P | 49 | 13.0758 | 128 | 0.26 | 97 |
IV.NRCA.HNZ. | 2021-04-13T09:35:23.56 | 0.1 | undecidable | manual | P | 90 | 3.6963 | 160 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.4 | 0.0004855 | 0.12 | AML | other | m | 2021-04-13T09:35:25.36 |
IV.NRCA.HHN. | ML:1.5 | 0.000492 | 0.42 | AML | other | m | 2021-04-13T09:35:25.50 |
IV.NRCA.HHE. | ML:1.5 | 0.0005275000000000001 | 0.08 | AML | other | m | 2021-04-13T09:35:26.10 |
IV.NRCA.HNE. | ML:1.4 | 0.000482 | 0.08 | AML | other | m | 2021-04-13T09:35:26.10 |
IV.GAVE.EHN. | ML:1.4 | 0.0001675404 | 0.096 | AML | other | m | 2021-04-13T09:35:29.62 |
IV.GAVE.EHE. | ML:1.6 | 0.0002895 | 1.74 | AML | other | m | 2021-04-13T09:35:29.90 |
IV.GAVE.HNE. | ML:3.7 | 0.032 | 0.4 | AML | other | m | 2021-04-13T09:35:34.17 |
IV.GAVE.HNN. | ML:2.8 | 0.0043999999999999985 | 0.4 | AML | other | m | 2021-04-13T09:35:34.29 |
IV.SMA1.EHE. | ML:1.4 | 0.00011949999999999999 | 0.48 | AML | other | m | 2021-04-13T09:35:35.32 |
IV.TERO.HHN. | ML:0.0 | 0.000050299999999999996 | 0.42 | AML | other | m | 2021-04-13T09:35:37.55 |
IV.TERO.HHE. | ML:0.0 | 0.000039750000000000004 | 0.08 | AML | other | m | 2021-04-13T09:35:37.79 |
IV.CESI.HHE. | ML:1.1 | 0.000081968765 | 0.0768 | AML | other | m | 2021-04-13T09:35:30.19 |
IV.CESI.HHN. | ML:1.3 | 0.00012846365000000002 | 0.1024 | AML | other | m | 2021-04-13T09:35:30.11 |
IV.FDMO.HHE. | ML:0.8 | 0.000038365378 | 0.16 | AML | other | m | 2021-04-13T09:35:30.74 |
IV.FDMO.HHN. | ML:0.8 | 0.00004575885 | 0.1152 | AML | other | m | 2021-04-13T09:35:30.16 |
IV.LNSS.HHE. | ML:1.3 | 0.00012706154 | 0.1216 | AML | other | m | 2021-04-13T09:35:30.54 |
IV.LNSS.HHN. | ML:1.3 | 0.0001233416 | 0.16 | AML | other | m | 2021-04-13T09:35:30.93 |